<!DOCTYPE html>
<html lang="en">

  <head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>static</title>
  </head>
  <style>
    div {
      background-color: pink;
    }

    strong {
      /* 
      1.position默认就是static，
      2.left,top,right,bottom无效
       */
      position: static;
    }
  </style>

  <body>
    <a href="">a元素</a>
    <strong>strong</strong>
    <i>i</i>
    <img src="../img/ysx.jpg" alt="" width="300">
    <div>div元素</div>
  </body>

</html>